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Alternate Names: ongentys, Ontilyv, 1,2-Benzenediol, 5-(3-(2,5-dichloro-4,6-dimethyl-1-oxido-3-pyridinyl)-1,2,4-oxadiazol-5-yl)-3-nitro-
CAS No: 923287-50-7
PubChem CID: 135565903
Mol Formula: C15H10Cl2N4O6
Mol Weight: 413.2 g/mol
IUPAC Name: 5-[3-(2,5-dichloro-4,6-dimethyl-1-oxidopyridin-1-ium-3-yl)-1,2,4-oxadiazol-5-yl]-3-nitrobenzene-1,2-diol
API Description: Opicapone is a potent, reversible, and peripherally-acting third-generation inhibitor of catechol-o-methyltransferase (COMT), an enzyme involved in the breakdown of various catecholamines including dopamine. Many patients with Parkinson’s disease treated with levodopa plus a dopa decarboxylase (DDC) inhibitor (eg carbidopa) experience motor complications over time, which calls for the management of these symptoms through the use of a dopamine agonist, a monoamine oxidase B inhibitor (selegiline, rasagiline), a catechol-O-methyl transferase (COMT) inhibitor, or amantadine, or using a modified-release formulation of levodopa.